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CCDB → Angiosperms → Compositae → Heterotheca → Heterotheca horrida subsp. cinerascens (S. F. Blake) Semple
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Heterotheca horrida subsp. cinerascens (S. F. Blake) Semple | Heterotheca villosa var. scabra (Eastw.) Semple | 18II | IPCN online | Semple, J. C. 1987. New names, combinations, and lectotypifications in Heterotheca (Compositae: Astereae). Brittonia 39(3): 379–386. |